LexDanaLexDanabeta
Inventor

John F. Schoeppel

Inventor
San Rafael, CA, US

Overview

2→
Patents
1991–2000
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B08Bprimary
B08BCleaning in general25%
F16KValves25%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1025%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
6,026,835'High Cv bulk process valve, control system and method'20005,039,349'Method and apparatus for cleaning surfaces to absolute or near-absolute cleanliness'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2000Patents assigned to VERIFLO CORP (2)· patent assignee history
1991–2000Based in San Rafael, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VERIFLO CORP21991–2000
Locations
LocationPatentsSpan
San Rafael, California, US21991–2000